Flat Stacks Collapsible Food Storage Containers - Multicolour 4 Pack (Medium Circular) FULLY COLLAPSIBLE - You'll save more than double the space in your kitchen and keep your cupboards tidier than ever 100% AIRTIGHT AND LEAKPROOF - Your food will stay fresh for longer, saving you money on shopping, and no cleaning up messy accidents SAFE FOR MICROWAVES, DISHWASHERS, AND FREEZERS - Made from durable silicon, they're long lasting, easy to clean, and BPA free SO VERSATILE - Great for food prep, storage, and as a packed lunch box, you can use them expanded or fully collapsed to store food and save space in the fridge, freezer or a backpack INCLUDES FOUR ROUND CONTAINERS - 12 x 6.4 cm -350 ml, 14 x 6.4 cm - 540 ml, 16 x 6.9 cm - 800 ml, and 18 x 7.4 cm - 1200 ml